Other drug makers have begun similar trials of their Covid-19 vaccines. If they work in children younger than 12 as expected, it will be easier for the U.S. to reach herd immunity.
Author: APOORVA MANDAVILLI
Coronavirus Reinfections Are Rare, Danish Researchers Report
People over 65 are more likely to experience a second bout with the virus, according to a large study of medical records.
Plan to Ditch the Mask After Vaccination? Not So Fast.
It’s not clear how easily vaccinated people may spread the virus, but the answer to that question is coming soon. Until then, scientists urge caution.
The Coronavirus Is Threatening a Comeback. Here’s How to Stop It.
Many scientists are expecting another rise in infections. But this time the surge will be blunted by vaccines and, hopefully, widespread caution. By summer, Americans may be looking at a return to normal life.
People Who Have Had Covid Should Get Single Vaccine Dose, Studies Suggest
New studies show that one shot of a vaccine can greatly amplify antibody levels in those who have recovered from the coronavirus.
Studies Suggest People Who Had Covid-19 Should Get Single Vaccine Dose
New studies show that one shot of a vaccine can greatly amplify antibody levels in those who have recovered from the coronavirus.